Sometimes less can mean more! O and Z-rings have been dispensed with completely on this chain specially developed for motocross use. That and the special construction of the bearing bushes result in the perfect compromise between durability and minimum power loss.

If you're looking for the ultimate in quality and performance, this sprocket is the one for you!- High-strength steel teeth, give long service life.- Aluminium inner ring, to reduce unsprung weight.- Joined together permanently with high-strength rivets- At least three times longer service life than other aluminium rear sprockets- 50% lighter than a conventional steel rear sprockets

Another benefit: more durable rear sprocket, helps increase the service life for the entire drivetrain.2K sprockets are exclusively produced for Husqvarna Motorcycles by Supersprox. This product is protected under the following patents in Europe and USA. EU patent # EP1573234. US Patent # 7.481.729. Patent owner supersprox a.s.

The T.M. Designworks chainguide comes straight from motorsport and offers the following properties:- CNC-machined from Teflon- With replaceable chain running surface, hence extremely durable- Specially designed for the challenges of offroad use

Pay attention to clearance when used in combination with a 2K chain guide. The chain guide may need to be adapted accordingly.

An X-ring chain has the following differences and advantages compared with an O-ring chain:- The X-ring has 4 contact points in contrast to 2 contact points with the O-ring version- This means higher flexibility and better running characteristics for the X-ring chain- The spring effect of the X-ring guarantees consistent and permanent lubrication- This means a significantly longer service life for the X-ring chain- The X-ring provides a better seal against penetration by water and dirt